BMW E81 E87 LCI Intake Air Line Charge Pipe Hose Duct Turbo N47 Diesel 7797481

BMW E81 E87 LCI Intake Pipe Turbo Intercooler Air Duct is an element from the Hoses, Pipes & Tubes category, designed for the boost system in facelifted BMW 1 Series diesel engines. It is responsible for precisely directing compressed air between the turbocharger and the intercooler, which directly impacts the stable operation of the engine unit. This is a practical solution for users seeking original airflow geometry and a correct fit for the factory intake system.

Specifications and technical data

• SKU: 7797481
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7797481
• Substitutable numbers: 11617797481, 7797481
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Application and Function in the Intake System

The presented air duct is part of the boost system in a Diesel engine, connecting the turbocharger to the intercooler. The appropriately shaped pipe ensures:

• directed flow of compressed air to the charge air cooler,
• maintenance of proper boost pressure across the entire RPM range,
• reduction of pressure drops and flow losses resulting from leaks or incorrect pipe shape.

By maintaining the factory geometry, this component supports smooth engine operation, correct throttle response, and stable boost parameters in daily use.

Construction and Fit for BMW E81 / E87 LCI

The turbo-intercooler intake pipe and air duct in this BMW model have been designed to work with the original mounting system and engine unit accessories. This means the element is structurally adapted to the engine bay of the facelifted (LCI) 1 Series, maintaining:

• factory mounting points to the body and accessories,
• correct routing of the duct relative to the turbocharger and intercooler,
• service space allowing for disassembly and assembly without interfering with other components.

This solution facilitates installation and minimizes the risk of stress or improper positioning of the duct in the engine bay.

Benefits of Using an Original Air Duct

Choosing a turbo-intercooler air duct dedicated to the BMW 1 Series LCI allows for maintaining boost system operating parameters in line with the manufacturer's specifications. The most important benefits include:

• stable boost pressure – reducing the risk of power loss due to leaks or duct deformation,
• correct compatibility with original diesel engine accessories,
• preservation of the original engine unit's operating characteristics, without the need for intake modifications.

An element from the Hoses, Pipes & Tubes category of this type is particularly important in turbocharged engines, where air flow quality directly affects performance and running smoothness.

Product Characteristics and Condition

The offered duct comes from the BMW product line and is a used item, allowing for an economical replacement while maintaining original construction. This type of part is a good choice in situations where the existing duct has suffered mechanical damage, leaks, or wear and tear.

By maintaining the factory shape and internal diameters, the duct can be used as a direct replacement for a damaged component, without the need for adaptations or modifications to the intake system.

Selection and Additional Information for the Buyer

Before purchasing, it is advisable to verify the compatibility of the duct with the specific engine version of the BMW E81 or E87 after facelift, especially regarding the engine type and accessory configuration. Manufacturer markings and information on interchangeable part numbers available in the product's technical specifications can be helpful.

If you are looking for other elements from the Hoses, Pipes & Tubes category dedicated to this brand, check out the BMW hoses, pipes & tubes available in our store to select complete solutions for the intake and charge air cooling system.

For those interested in a broader perspective on the used parts market, we have prepared a practical guide – find more information in the article Best Used Car Parts – A Guide to the Most Popular Original Parts, which will help you consciously plan your purchases of components for popular car models.